1<div class="calculator">
2
3 <input type="text" class="calculator-screen" value="0" disabled />
4
5 <div class="calculator-keys">
6
7 <button type="button" class="operator" value="+">+</button>
8 <button type="button" class="operator" value="-">-</button>
9 <button type="button" class="operator" value="*">×</button>
10 <button type="button" class="operator" value="/">÷</button>
11
12 <button type="button" value="7">7</button>
13 <button type="button" value="8">8</button>
14 <button type="button" value="9">9</button>
15
16
17 <button type="button" value="4">4</button>
18 <button type="button" value="5">5</button>
19 <button type="button" value="6">6</button>
20
21
22 <button type="button" value="1">1</button>
23 <button type="button" value="2">2</button>
24 <button type="button" value="3">3</button>
25
26
27 <button type="button" value="0">0</button>
28 <button type="button" class="decimal" value=".">.</button>
29 <button type="button" class="all-clear" value="all-clear">AC</button>
30
31 <button type="button" class="equal-sign" value="=">=</button>
32
33 </div>
34</div>
35